Maths
Find the area of a quadrant of a circle whose circumference is 22 cm.
06
Oct
Find the area of a quadrant of a circle whose circumference is 22 cm. Find the area of a quadrant of a circle whose circumference is 22 cm. October 6, 2020 Category: Chapter 12 - Areas Related to Circles , Maths , NCERT Class 10 ,
Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60 degree.
06
Oct
Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60 degree. Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60 degree. October 6, 2020 Category: Chapter 12 - Areas Related to Circles , Maths [...]
Tick the correct answer in the following and justify your choice: If the perimeter and the area of a circle are numerically equal, then the radius of the circle is
06
Oct
Tick the correct answer in the following and justify your choice: If the perimeter and the area of a circle are numerically equal, then the radius of the circle is then the radius of the circle is Tick the correct answer in the following and justify your choice: If the perimeter and the area of [...]
The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour ?
06
Oct
The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour ? The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make [...]
Fig. 12.3 depicts an archery target marked with its five scoring regions from the centre outwards as Gold, Red, Blue, Black and White. The diameter of the region representing Gold score is 21 cm and each of the other bands is 10.5 cm wide. Find the area of each of the five scoring regions.
06
Oct
Fig. 12.3 depicts an archery target marked with its five scoring regions from the centre outwards as Gold, Red, Blue, Black and White. The diameter of the region representing Gold score is 21 cm and each of the other bands is 10.5 cm wide. Find the area of each of the five scoring regions. Black [...]
Tags:
Black and White. The diameter of the region representing Gold score is 21 cm and each of the other bands is 10.5 cm wide. Find the area of each of the five scoring regions. ,
Blue ,
Fig. 12.3 depicts an archery target marked with its five scoring regions from the centre outwards as Gold ,
Red ,
The radii of two circles are 8cm and 6cm respectively. Find the radius of the circle having its area equal to the sum of the areas of the two circles.
06
Oct
The radii of two circles are 8cm and 6cm respectively. Find the radius of the circle having its area equal to the sum of the areas of the two circles. The radii of two circles are 8cm and 6cm respectively. Find the radius of the circle having its area equal to the sum of the [...]
The radii of two circles are 19cm and 9cm respectively. Find the radius of the circle which has a circumference equal to the sum of the circumferences of the two circles.
06
Oct
The radii of two circles are 19cm and 9cm respectively. Find the radius of the circle which has a circumference equal to the sum of the circumferences of the two circles. The radii of two circles are 19cm and 9cm respectively. Find the radius of the circle which has a circumference equal to the sum [...]
PQ is a chord of length 8 cm, of a circle of radius 5 cm. The tangents at P and Q intersect at a point T. Find the length of TP.
06
Oct
PQ is a chord of length 8 cm, of a circle of radius 5 cm. The tangents at P and Q intersect at a point T. Find the length of TP. of a circle of radius 5 cm. The tangents at P and Q intersect at a point T. Find the length of TP. PQ [...]
Two tangent TP and TQ are drawn to a circle with centre O from an external point T. Prove that ∠PTQ=2 ∠OPQ.
06
Oct
Two tangent TP and TQ are drawn to a circle with centre O from an external point T. Prove that ∠PTQ=2 ∠OPQ. Two tangent TP and TQ are drawn to a circle with centre O from an external point T. Prove that ∠PTQ=2 ∠OPQ. October 6, 2020 Category: Chapter 10 - Circles , Maths , [...]
Prove that in two concentric circles the chord of larger circle which touches the smaller circle is bisected at point of contact.
06
Oct
Prove that in two concentric circles the chord of larger circle which touches the smaller circle is bisected at point of contact. Prove that in two concentric circles the chord of larger circle which touches the smaller circle is bisected at point of contact. October 6, 2020 Category: Chapter 10 - Circles , Maths , [...]